code: def truncate_metadata_tables():
      truncate_table("fittings")
      truncate_table("commits")
      truncate_table("predictions")
      truncate_table("snapshots")
  
file_path: lore/tests/unit/test_metadata.py
imports: import unittest
  import tests.mocks.models_other
  import lore.metadata
  import datetime
label_desc: Use image node_id 2 for calling a global function with example usage: truncate_metadata_tables() without return types